1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2001 Atsushi Onoe
5 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * $FreeBSD$
29 */
30 #ifndef _NET80211_IEEE80211_H_
31 #define _NET80211_IEEE80211_H_
32
33 /*
34 * 802.11 protocol definitions.
35 */
36
37 #define IEEE80211_ADDR_LEN 6 /* size of 802.11 address */
38 /* is 802.11 address multicast/broadcast? */
39 #define IEEE80211_IS_MULTICAST(_a) (*(_a) & 0x01)
40
41 #ifdef _KERNEL
42 extern const uint8_t ieee80211broadcastaddr[];
43 #endif
44
45 typedef uint16_t ieee80211_seq;
46
47 /* IEEE 802.11 PLCP header */
48 struct ieee80211_plcp_hdr {
49 uint16_t i_sfd;
50 uint8_t i_signal;
51 uint8_t i_service;
52 uint16_t i_length;
53 uint16_t i_crc;
54 } __packed;
55
56 #define IEEE80211_PLCP_SFD 0xF3A0
57 #define IEEE80211_PLCP_SERVICE 0x00
58 #define IEEE80211_PLCP_SERVICE_LOCKED 0x04
59 #define IEEE80211_PLCL_SERVICE_PBCC 0x08
60 #define IEEE80211_PLCP_SERVICE_LENEXT5 0x20
61 #define IEEE80211_PLCP_SERVICE_LENEXT6 0x40
62 #define IEEE80211_PLCP_SERVICE_LENEXT7 0x80
63
64 /*
65 * generic definitions for IEEE 802.11 frames
66 */
67 struct ieee80211_frame {
68 uint8_t i_fc[2];
69 uint8_t i_dur[2];
70 uint8_t i_addr1[IEEE80211_ADDR_LEN];
71 uint8_t i_addr2[IEEE80211_ADDR_LEN];
72 uint8_t i_addr3[IEEE80211_ADDR_LEN];
73 uint8_t i_seq[2];
74 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */
75 /* see below */
76 } __packed;
77
78 struct ieee80211_qosframe {
79 uint8_t i_fc[2];
80 uint8_t i_dur[2];
81 uint8_t i_addr1[IEEE80211_ADDR_LEN];
82 uint8_t i_addr2[IEEE80211_ADDR_LEN];
83 uint8_t i_addr3[IEEE80211_ADDR_LEN];
84 uint8_t i_seq[2];
85 uint8_t i_qos[2];
86 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */
87 /* see below */
88 } __packed;
89
90 struct ieee80211_qoscntl {
91 uint8_t i_qos[2];
92 };
93
94 struct ieee80211_frame_addr4 {
95 uint8_t i_fc[2];
96 uint8_t i_dur[2];
97 uint8_t i_addr1[IEEE80211_ADDR_LEN];
98 uint8_t i_addr2[IEEE80211_ADDR_LEN];
99 uint8_t i_addr3[IEEE80211_ADDR_LEN];
100 uint8_t i_seq[2];
101 uint8_t i_addr4[IEEE80211_ADDR_LEN];
102 } __packed;
103
104 struct ieee80211_qosframe_addr4 {
105 uint8_t i_fc[2];
106 uint8_t i_dur[2];
107 uint8_t i_addr1[IEEE80211_ADDR_LEN];
108 uint8_t i_addr2[IEEE80211_ADDR_LEN];
109 uint8_t i_addr3[IEEE80211_ADDR_LEN];
110 uint8_t i_seq[2];
111 uint8_t i_addr4[IEEE80211_ADDR_LEN];
112 uint8_t i_qos[2];
113 } __packed;
114
115 #define IEEE80211_FC0_VERSION_MASK 0x03
116 #define IEEE80211_FC0_VERSION_SHIFT 0
117 #define IEEE80211_FC0_VERSION_0 0x00
118 #define IEEE80211_FC0_TYPE_MASK 0x0c
119 #define IEEE80211_FC0_TYPE_SHIFT 2
120 #define IEEE80211_FC0_TYPE_MGT 0x00 /* Management */
121 #define IEEE80211_FC0_TYPE_CTL 0x04 /* Control */
122 #define IEEE80211_FC0_TYPE_DATA 0x08 /* Data */
123 #define IEEE80211_FC0_TYPE_EXT 0x0c /* Extension */
124
125 #define IEEE80211_FC0_SUBTYPE_MASK 0xf0
126 #define IEEE80211_FC0_SUBTYPE_SHIFT 4
127 /* 802.11-2020 Table 9-1-Valid type and subtype combinations */
128 /* For type 00 Management (IEEE80211_FC0_TYPE_MGT) */
129 #define IEEE80211_FC0_SUBTYPE_ASSOC_REQ 0x00 /* Association Request */
130 #define IEEE80211_FC0_SUBTYPE_ASSOC_RESP 0x10 /* Association Response */
131 #define IEEE80211_FC0_SUBTYPE_REASSOC_REQ 0x20 /* Reassociation Request */
132 #define IEEE80211_FC0_SUBTYPE_REASSOC_RESP 0x30 /* Reassociation Response */
133 #define IEEE80211_FC0_SUBTYPE_PROBE_REQ 0x40 /* Probe Request */
134 #define IEEE80211_FC0_SUBTYPE_PROBE_RESP 0x50 /* Probe Response */
135 #define IEEE80211_FC0_SUBTYPE_TIMING_ADV 0x60 /* Timing Advertisement */
136 /* 0111 Reserved 0x70 */
137 #define IEEE80211_FC0_SUBTYPE_BEACON 0x80 /* Beacon */
138 #define IEEE80211_FC0_SUBTYPE_ATIM 0x90 /* ATIM */
139 #define IEEE80211_FC0_SUBTYPE_DISASSOC 0xa0 /* Disassociation */
140 #define IEEE80211_FC0_SUBTYPE_AUTH 0xb0 /* Authentication */
141 #define IEEE80211_FC0_SUBTYPE_DEAUTH 0xc0 /* Deauthentication */
142 #define IEEE80211_FC0_SUBTYPE_ACTION 0xd0 /* Action */
143 #define IEEE80211_FC0_SUBTYPE_ACTION_NOACK 0xe0 /* Action No Ack */
144 /* 1111 Reserved 0xf0 */
145 /* For type 01 Control (IEEE80211_FC0_TYPE_CTL) */
146 /* 0000-0001 Reserved 0x00-0x10 */
147 #define IEEE80211_FC0_SUBTYPE_TRIGGER 0x20 /* Trigger, 80211ax-2021 */
148 #define IEEE80211_FC0_SUBTYPE_TACK 0x30 /* TACK */
149 #define IEEE80211_FC0_SUBTYPE_BF_REPORT_POLL 0x40 /* Beamforming Report Poll */
150 #define IEEE80211_FC0_SUBTYPE_VHT_HE_NDP 0x50 /* VHT/HE NDP Announcement, 80211ac/ax-2013/2021 */
151 #define IEEE80211_FC0_SUBTYPE_CTL_EXT 0x60 /* Control Frame Extension */
152 #define IEEE80211_FC0_SUBTYPE_CONTROL_WRAP 0x70 /* Control Wrapper */
153 #define IEEE80211_FC0_SUBTYPE_BAR 0x80 /* Block Ack Request (BlockAckReq) */
154 #define IEEE80211_FC0_SUBTYPE_BA 0x90 /* Block Ack (BlockAck) */
155 #define IEEE80211_FC0_SUBTYPE_PS_POLL 0xa0 /* PS-Poll */
156 #define IEEE80211_FC0_SUBTYPE_RTS 0xb0 /* RTS */
157 #define IEEE80211_FC0_SUBTYPE_CTS 0xc0 /* CTS */
158 #define IEEE80211_FC0_SUBTYPE_ACK 0xd0 /* Ack */
159 #define IEEE80211_FC0_SUBTYPE_CF_END 0xe0 /* CF-End */
160 #define IEEE80211_FC0_SUBTYPE_CF_END_ACK 0xf0 /* 1111 Reserved - what was CF_END_ACK? */
161 /* For type 10 Data (IEEE80211_FC0_TYPE_DATA) */
162 #define IEEE80211_FC0_SUBTYPE_DATA 0x00 /* Data */
163 /* 0001-0011 Reserved 0x10-0x30 */ /* Were: CF_ACK, CF_POLL, CF_ACPL */
164 #define IEEE80211_FC0_SUBTYPE_NODATA 0x40 /* Null */
165 /* 0101-0111 Reserved 0x50-0x70 */ /* Were: CFACK, CFPOLL, CF_ACK_CF_ACK */
166 #define IEEE80211_FC0_SUBTYPE_QOS_DATA 0x80 /* QoS Data */
167 #define IEEE80211_FC0_SUBTYPE_QOS_DATA_CFACK 0x90 /* QoS Data +CF-Ack */
168 #define IEEE80211_FC0_SUBTYPE_QOS_DATA_CFPOLL 0xa0 /* QoS Data +CF-Poll */
169 #define IEEE80211_FC0_SUBTYPE_QOS_DATA_CFACKPOLL 0xb0 /* QoS Data +CF-Ack +CF-Poll */
170 #define IEEE80211_FC0_SUBTYPE_QOS_NULL 0xc0 /* QoS Null */
171 /* 1101 Reserved 0xd0 */
172 #define IEEE80211_FC0_SUBTYPE_QOS_CFPOLL 0xe0 /* QoS CF-Poll */
173 #define IEEE80211_FC0_SUBTYPE_QOS_CFACKPOLL 0xf0 /* QoS CF-Ack +CF-Poll */
174 /* For type 11 Extension (IEEE80211_FC0_TYPE_EXT) */
175 #define IEEE80211_FC0_SUBTYPE_DMG_BEACON 0x00 /* DMG Beacon */
176 #define IEEE80211_FC0_SUBTYPE_S1G_BEACON 0x10 /* S1G Beacon */
177 /* 0010-1111 Reserved 0x20-0xff */
178
179 /* 802.11-2020 Table 9-2-Control Frame Extension */
180 /* Reusing B11..B8, part of FC1 */
181 #define IEEE80211_CTL_EXT_SECTOR_ACK 0x00 /* Sector Ack, 80211ay-2021 */
182 #define IEEE80211_CTL_EXT_BA_SCHED 0x01 /* Block Ack Schedule, 80211ay-2021 */
183 #define IEEE80211_CTL_EXT_POLL 0x02 /* Poll */
184 #define IEEE80211_CTL_EXT_SPR 0x03 /* SPR */
185 #define IEEE80211_CTL_EXT_GRANT 0x04 /* Grant */
186 #define IEEE80211_CTL_EXT_DMG_CTS 0x05 /* DMG CTS */
187 #define IEEE80211_CTL_EXT_DMG_DTS 0x06 /* DMG DTS */
188 #define IEEE80211_CTL_EXT_GRANT_ACK 0x07 /* Grant Ack */
189 #define IEEE80211_CTL_EXT_SSW 0x08 /* SSW */
190 #define IEEE80211_CTL_EXT_SSW_FBACK 0x09 /* SSW-Feedback */
191 #define IEEE80211_CTL_EXT_SSW_ACK 0x0a /* SSW-Ack */
192 #define IEEE80211_CTL_EXT_TDD_BF 0x0b /* TDD Beamforming, 80211ay-2021 */
193 /* 1100-1111 Reserved 0xc-0xf */
194
195 #define IEEE80211_IS_MGMT(wh) \
196 (!! (((wh)->i_fc[0] & IEEE80211_FC0_TYPE_MASK) \
197 == IEEE80211_FC0_TYPE_MGT))
198 #define IEEE80211_IS_CTL(wh) \
199 (!! (((wh)->i_fc[0] & IEEE80211_FC0_TYPE_MASK) \
200 == IEEE80211_FC0_TYPE_CTL))
201 #define IEEE80211_IS_DATA(wh) \
202 (!! (((wh)->i_fc[0] & IEEE80211_FC0_TYPE_MASK) \
203 == IEEE80211_FC0_TYPE_DATA))
204 #define IEEE80211_IS_EXT(wh) \
205 (!! (((wh)->i_fc[0] & IEEE80211_FC0_TYPE_MASK) \
206 == IEEE80211_FC0_TYPE_EXT))
207
208 #define IEEE80211_FC0_QOSDATA \
209 (IEEE80211_FC0_TYPE_DATA|IEEE80211_FC0_SUBTYPE_QOS_DATA|IEEE80211_FC0_VERSION_0)
210
211 #define IEEE80211_IS_QOSDATA(wh) \
212 ((wh)->i_fc[0] == IEEE80211_FC0_QOSDATA)
213
214 #define IEEE80211_FC1_DIR_MASK 0x03
215 #define IEEE80211_FC1_DIR_NODS 0x00 /* STA->STA */
216 #define IEEE80211_FC1_DIR_TODS 0x01 /* STA->AP */
217 #define IEEE80211_FC1_DIR_FROMDS 0x02 /* AP ->STA */
218 #define IEEE80211_FC1_DIR_DSTODS 0x03 /* AP ->AP */
219
220 #define IEEE80211_IS_DSTODS(wh) \
221 (((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS)
222
223 #define IEEE80211_FC1_MORE_FRAG 0x04
224 #define IEEE80211_FC1_RETRY 0x08
225 #define IEEE80211_FC1_PWR_MGT 0x10
226 #define IEEE80211_FC1_MORE_DATA 0x20
227 #define IEEE80211_FC1_PROTECTED 0x40
228 #define IEEE80211_FC1_ORDER 0x80
229
230 #define IEEE80211_IS_PROTECTED(wh) \
231 ((wh)->i_fc[1] & IEEE80211_FC1_PROTECTED)
232
233 #define IEEE80211_HAS_SEQ(type, subtype) \
234 ((type) != IEEE80211_FC0_TYPE_CTL && \
235 !((type) == IEEE80211_FC0_TYPE_DATA && \
236 ((subtype) & IEEE80211_FC0_SUBTYPE_QOS_NULL) == \
237 IEEE80211_FC0_SUBTYPE_QOS_NULL))
238 #define IEEE80211_SEQ_FRAG_MASK 0x000f
239 #define IEEE80211_SEQ_FRAG_SHIFT 0
240 #define IEEE80211_SEQ_SEQ_MASK 0xfff0
241 #define IEEE80211_SEQ_SEQ_SHIFT 4
242 #define IEEE80211_SEQ_RANGE 4096
243
244 #define IEEE80211_SEQ_ADD(seq, incr) \
245 (((seq) + (incr)) & (IEEE80211_SEQ_RANGE-1))
246 #define IEEE80211_SEQ_INC(seq) IEEE80211_SEQ_ADD(seq,1)
247 #define IEEE80211_SEQ_SUB(a, b) \
248 (((a) + IEEE80211_SEQ_RANGE - (b)) & (IEEE80211_SEQ_RANGE-1))
249
250 #define IEEE80211_SEQ_BA_RANGE 2048 /* 2^11 */
251 #define IEEE80211_SEQ_BA_BEFORE(a, b) \
252 (IEEE80211_SEQ_SUB(b, a+1) < IEEE80211_SEQ_BA_RANGE-1)
253
254 #define IEEE80211_NWID_LEN 32
255 #define IEEE80211_MESHID_LEN 32
256
257 #define IEEE80211_QOS_CTL_LEN 2
258
259 #define IEEE80211_QOS_TXOP 0x00ff
260 /* bit 8 is reserved */
261 #define IEEE80211_QOS_AMSDU 0x80
262 #define IEEE80211_QOS_AMSDU_S 7
263 #define IEEE80211_QOS_ACKPOLICY 0x60
264 #define IEEE80211_QOS_ACKPOLICY_S 5
265 #define IEEE80211_QOS_ACKPOLICY_NOACK 0x20 /* No ACK required */
266 #define IEEE80211_QOS_ACKPOLICY_BA 0x60 /* Block ACK */
267 #define IEEE80211_QOS_EOSP 0x10 /* EndOfService Period*/
268 #define IEEE80211_QOS_EOSP_S 4
269 #define IEEE80211_QOS_TID 0x0f
270 /* qos[1] byte used for all frames sent by mesh STAs in a mesh BSS */
271 #define IEEE80211_QOS_MC 0x01 /* Mesh control */
272 /* Mesh power save level*/
273 #define IEEE80211_QOS_MESH_PSL 0x02
274 /* Mesh Receiver Service Period Initiated */
275 #define IEEE80211_QOS_RSPI 0x04
276 /* bits 11 to 15 reserved */
277
278 /* does frame have QoS sequence control data */
279 #define IEEE80211_QOS_HAS_SEQ(wh) \
280 (((wh)->i_fc[0] & \
281 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_QOS_DATA)) == \
282 (IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS_DATA))
283
284 /*
285 * WME/802.11e information element.
286 */
287 struct ieee80211_wme_info {
288 uint8_t wme_id; /* IEEE80211_ELEMID_VENDOR */
289 uint8_t wme_len; /* length in bytes */
290 uint8_t wme_oui[3]; /* 0x00, 0x50, 0xf2 */
291 uint8_t wme_type; /* OUI type */
292 uint8_t wme_subtype; /* OUI subtype */
293 uint8_t wme_version; /* spec revision */
294 uint8_t wme_info; /* QoS info */
295 } __packed;
296
297 /*
298 * WME/802.11e Tspec Element
299 */
300 struct ieee80211_wme_tspec {
301 uint8_t ts_id;
302 uint8_t ts_len;
303 uint8_t ts_oui[3];
304 uint8_t ts_oui_type;
305 uint8_t ts_oui_subtype;
306 uint8_t ts_version;
307 uint8_t ts_tsinfo[3];
308 uint8_t ts_nom_msdu[2];
309 uint8_t ts_max_msdu[2];
310 uint8_t ts_min_svc[4];
311 uint8_t ts_max_svc[4];
312 uint8_t ts_inactv_intv[4];
313 uint8_t ts_susp_intv[4];
314 uint8_t ts_start_svc[4];
315 uint8_t ts_min_rate[4];
316 uint8_t ts_mean_rate[4];
317 uint8_t ts_max_burst[4];
318 uint8_t ts_min_phy[4];
319 uint8_t ts_peak_rate[4];
320 uint8_t ts_delay[4];
321 uint8_t ts_surplus[2];
322 uint8_t ts_medium_time[2];
323 } __packed;
324
325 /*
326 * WME AC parameter field
327 */
328 struct ieee80211_wme_acparams {
329 uint8_t acp_aci_aifsn;
330 uint8_t acp_logcwminmax;
331 uint16_t acp_txop;
332 } __packed;
333
334 #define WME_NUM_AC 4 /* 4 AC categories */
335 #define WME_NUM_TID 16 /* 16 tids */
336
337 #define WME_PARAM_ACI 0x60 /* Mask for ACI field */
338 #define WME_PARAM_ACI_S 5 /* Shift for ACI field */
339 #define WME_PARAM_ACM 0x10 /* Mask for ACM bit */
340 #define WME_PARAM_ACM_S 4 /* Shift for ACM bit */
341 #define WME_PARAM_AIFSN 0x0f /* Mask for aifsn field */
342 #define WME_PARAM_AIFSN_S 0 /* Shift for aifsn field */
343 #define WME_PARAM_LOGCWMIN 0x0f /* Mask for CwMin field (in log) */
344 #define WME_PARAM_LOGCWMIN_S 0 /* Shift for CwMin field */
345 #define WME_PARAM_LOGCWMAX 0xf0 /* Mask for CwMax field (in log) */
346 #define WME_PARAM_LOGCWMAX_S 4 /* Shift for CwMax field */
347
348 #define WME_AC_TO_TID(_ac) ( \
349 ((_ac) == WME_AC_VO) ? 6 : \
350 ((_ac) == WME_AC_VI) ? 5 : \
351 ((_ac) == WME_AC_BK) ? 1 : \
352 0)
353
354 #define TID_TO_WME_AC(_tid) ( \
355 ((_tid) == 0 || (_tid) == 3) ? WME_AC_BE : \
356 ((_tid) < 3) ? WME_AC_BK : \
357 ((_tid) < 6) ? WME_AC_VI : \
358 WME_AC_VO)
359
360 /*
361 * WME Parameter Element
362 */
363 struct ieee80211_wme_param {
364 uint8_t param_id;
365 uint8_t param_len;
366 uint8_t param_oui[3];
367 uint8_t param_oui_type;
368 uint8_t param_oui_subtype;
369 uint8_t param_version;
370 uint8_t param_qosInfo;
371 #define WME_QOSINFO_COUNT 0x0f /* Mask for param count field */
372 uint8_t param_reserved;
373 struct ieee80211_wme_acparams params_acParams[WME_NUM_AC];
374 } __packed;
375
376 /*
377 * WME U-APSD qos info field defines
378 */
379 #define WME_CAPINFO_UAPSD_EN 0x00000080
380 #define WME_CAPINFO_UAPSD_VO 0x00000001
381 #define WME_CAPINFO_UAPSD_VI 0x00000002
382 #define WME_CAPINFO_UAPSD_BK 0x00000004
383 #define WME_CAPINFO_UAPSD_BE 0x00000008
384 #define WME_CAPINFO_UAPSD_ACFLAGS_SHIFT 0
385 #define WME_CAPINFO_UAPSD_ACFLAGS_MASK 0xF
386 #define WME_CAPINFO_UAPSD_MAXSP_SHIFT 5
387 #define WME_CAPINFO_UAPSD_MAXSP_MASK 0x3
388 #define WME_CAPINFO_IE_OFFSET 8
389 #define WME_UAPSD_MAXSP(_qosinfo) \
390 (((_qosinfo) >> WME_CAPINFO_UAPSD_MAXSP_SHIFT) & \
391 WME_CAPINFO_UAPSD_MAXSP_MASK)
392 #define WME_UAPSD_AC_ENABLED(_ac, _qosinfo) \
393 ((1 << (3 - (_ac))) & ( \
394 ((_qosinfo) >> WME_CAPINFO_UAPSD_ACFLAGS_SHIFT) & \
395 WME_CAPINFO_UAPSD_ACFLAGS_MASK))
396
397 /*
398 * Management Notification Frame
399 */
400 struct ieee80211_mnf {
401 uint8_t mnf_category;
402 uint8_t mnf_action;
403 uint8_t mnf_dialog;
404 uint8_t mnf_status;
405 } __packed;
406 #define MNF_SETUP_REQ 0
407 #define MNF_SETUP_RESP 1
408 #define MNF_TEARDOWN 2
409
410 /*
411 * 802.11n Management Action Frames
412 */
413 /* generic frame format */
414 struct ieee80211_action {
415 uint8_t ia_category;
416 uint8_t ia_action;
417 } __packed;
418
419 /* 80211-2020 Table 9-51-Category values */
420 #define IEEE80211_ACTION_CAT_SM 0 /* 9.6.2 Spectrum Management */
421 #define IEEE80211_ACTION_CAT_QOS 1 /* 9.6.3 QoS */
422 /* Reserved 2 was IEEE80211_ACTION_CAT_DLS */
423 #define IEEE80211_ACTION_CAT_BA 3 /* 9.6.4 Block Ack */
424 #define IEEE80211_ACTION_CAT_PUBLIC 4 /* 9.6.7 Public */
425 #define IEEE80211_ACTION_CAT_RADIO_MEASUREMENT 5 /* 9.6.6 Radio Measurement */
426 #define IEEE80211_ACTION_CAT_FAST_BBS_TRANSITION 6 /* 9.6.8 Fast BSS Transition */
427 #define IEEE80211_ACTION_CAT_HT 7 /* 9.6.11 HT */
428 #define IEEE80211_ACTION_CAT_SA_QUERY 8 /* 9.6.9 SA Query */
429 #define IEEE80211_ACTION_CAT_PROTECTED_DUAL_OF_PUBLIC_ACTION 9 /* 9.6.10 Protected Dual of Public Action */
430 #define IEEE80211_ACTION_CAT_WNM 10 /* 9.6.13 WNM */
431 #define IEEE80211_ACTION_CAT_UNPROTECTED_WNM 11 /* 9.6.14 Unprotected WNM */
432 #define IEEE80211_ACTION_CAT_TDLS 12 /* 9.6.12 TDLS */
433 #define IEEE80211_ACTION_CAT_MESH 13 /* 9.6.16 Mesh */
434 #define IEEE80211_ACTION_CAT_MULTIHOP 14 /* 9.6.17 Multihop */
435 #define IEEE80211_ACTION_CAT_SELF_PROT 15 /* 9.6.15 Self-protected */
436 #define IEEE80211_ACTION_CAT_DMG 16 /* 9.6.19 DMG */
437 /* Reserved 17 (R)Wi-Fi Alliance */
438 #define IEEE80211_ACTION_CAT_FAST_SESSION_TRANSFER 18 /* 9.6.20 Fast Session Transfer */
439 #define IEEE80211_ACTION_CAT_ROBUST_AV_STREAMING 19 /* 9.6.18 Robust AV Streaming */
440 #define IEEE80211_ACTION_CAT_UNPROTECTED_DMG 20 /* 9.6.21 Unprotected DMG */
441 #define IEEE80211_ACTION_CAT_VHT 21 /* 9.6.22 VHT */
442 #define IEEE80211_ACTION_CAT_UNPROTECTED_S1G 22 /* 9.6.24 Unprotected S1G */
443 #define IEEE80211_ACTION_CAT_S1G 23 /* 9.6.25 S1G */
444 #define IEEE80211_ACTION_CAT_FLOW_CONTROL 24 /* 9.6.26 Flow Control */
445 #define IEEE80211_ACTION_CAT_CTL_RESP_MCS_NEG 25 /* 9.6.27 Control Response MCS Negotiation */
446 #define IEEE80211_ACTION_CAT_FILS 26 /* 9.6.23 FILS */
447 #define IEEE80211_ACTION_CAT_CDMG 27 /* 9.6.28 CDMG */
448 #define IEEE80211_ACTION_CAT_CMMG 28 /* 9.6.29 CMMG */
449 #define IEEE80211_ACTION_CAT_GLK 29 /* 9.6.30 GLK */
450 #define IEEE80211_ACTION_CAT_HE 30 /* 9.6.31 HE, 80211ax-2021 */
451 #define IEEE80211_ACTION_CAT_PROTECTED_HE 31 /* 9.6.32 Protected HE, 80211ax-2021 */
452 /* Reserved 32-125 */
453 #define IEEE80211_ACTION_CAT_VENDOR_SPECIFIC_PROTECTED 126 /* 9.6.5 Vendor-specific Protected */
454 #define IEEE80211_ACTION_CAT_VENDOR 127 /* 9.6.5 Vendor-specific */
455 /* Error 128-255 */
456
457
458 /* 80211-2020 Table 9-346-Spectrum Management Action field values */
459 enum ieee80211_action_sm {
460 IEEE80211_ACTION_SM_SMREQ = 0, /* Spectrum Measurement Request */
461 IEEE80211_ACTION_SM_SMREP = 1, /* Spectrum Measurement Report */
462 IEEE80211_ACTION_SM_TPCREQ = 2, /* TPC Request */
463 IEEE80211_ACTION_SM_TPCREP = 3, /* TPC Report */
464 IEEE80211_ACTION_SM_CSA = 4, /* Channel Switch Announcement */
465 /* Reserved = 5-255 */
466 };
467
468 /* 80211-2020 Table 9-363-Radio Measurement Action field values */
469 enum ieee80211_action_radio_measurement {
470 IEEE80211_ACTION_RADIO_MEASUREMENT_RMREQ = 0, /* Radio Measurement Request */
471 IEEE80211_ACTION_RADIO_MEASUREMENT_RMREP = 1, /* Radio Measurement Report */
472 IEEE80211_ACTION_RADIO_MEASUREMENT_LMREQ = 2, /* Link Measurement Request */
473 IEEE80211_ACTION_RADIO_MEASUREMENT_LMREP = 3, /* Link Measurement Report */
474 IEEE80211_ACTION_RADIO_MEASUREMENT_NRREQ = 4, /* Neighbor Report Request */
475 IEEE80211_ACTION_RADIO_MEASUREMENT_NRRESP = 5, /* Neighbor Report Response */
476 /* Reserved = 6-255 */
477 };
478
479 #define IEEE80211_ACTION_HT_TXCHWIDTH 0 /* recommended xmit chan width*/
480 #define IEEE80211_ACTION_HT_MIMOPWRSAVE 1 /* MIMO power save */
481
482 /* HT - recommended transmission channel width */
483 struct ieee80211_action_ht_txchwidth {
484 struct ieee80211_action at_header;
485 uint8_t at_chwidth;
486 } __packed;
487
488 #define IEEE80211_A_HT_TXCHWIDTH_20 0
489 #define IEEE80211_A_HT_TXCHWIDTH_2040 1
490
491 /* HT - MIMO Power Save (NB: D2.04) */
492 struct ieee80211_action_ht_mimopowersave {
493 struct ieee80211_action am_header;
494 uint8_t am_control;
495 } __packed;
496
497 #define IEEE80211_A_HT_MIMOPWRSAVE_ENA 0x01 /* PS enabled */
498 #define IEEE80211_A_HT_MIMOPWRSAVE_MODE 0x02
499 #define IEEE80211_A_HT_MIMOPWRSAVE_MODE_S 1
500 #define IEEE80211_A_HT_MIMOPWRSAVE_DYNAMIC 0x02 /* Dynamic Mode */
501 #define IEEE80211_A_HT_MIMOPWRSAVE_STATIC 0x00 /* no SM packets */
502 /* bits 2-7 reserved */
503
504 /* Block Ack actions */
505 #define IEEE80211_ACTION_BA_ADDBA_REQUEST 0 /* ADDBA request */
506 #define IEEE80211_ACTION_BA_ADDBA_RESPONSE 1 /* ADDBA response */
507 #define IEEE80211_ACTION_BA_DELBA 2 /* DELBA */
508
509 /* Block Ack Parameter Set */
510 #define IEEE80211_BAPS_BUFSIZ 0xffc0 /* buffer size */
511 #define IEEE80211_BAPS_BUFSIZ_S 6
512 #define IEEE80211_BAPS_TID 0x003c /* TID */
513 #define IEEE80211_BAPS_TID_S 2
514 #define IEEE80211_BAPS_POLICY 0x0002 /* block ack policy */
515 #define IEEE80211_BAPS_POLICY_S 1
516 #define IEEE80211_BAPS_AMSDU 0x0001 /* A-MSDU permitted */
517 #define IEEE80211_BAPS_AMSDU_S 0
518
519 #define IEEE80211_BAPS_POLICY_DELAYED (0<<IEEE80211_BAPS_POLICY_S)
520 #define IEEE80211_BAPS_POLICY_IMMEDIATE (1<<IEEE80211_BAPS_POLICY_S)
521
522 /* Block Ack Sequence Control */
523 #define IEEE80211_BASEQ_START 0xfff0 /* starting seqnum */
524 #define IEEE80211_BASEQ_START_S 4
525 #define IEEE80211_BASEQ_FRAG 0x000f /* fragment number */
526 #define IEEE80211_BASEQ_FRAG_S 0
527
528 /* Delayed Block Ack Parameter Set */
529 #define IEEE80211_DELBAPS_TID 0xf000 /* TID */
530 #define IEEE80211_DELBAPS_TID_S 12
531 #define IEEE80211_DELBAPS_INIT 0x0800 /* initiator */
532 #define IEEE80211_DELBAPS_INIT_S 11
533
534 /* BA - ADDBA request */
535 struct ieee80211_action_ba_addbarequest {
536 struct ieee80211_action rq_header;
537 uint8_t rq_dialogtoken;
538 uint16_t rq_baparamset;
539 uint16_t rq_batimeout; /* in TUs */
540 uint16_t rq_baseqctl;
541 } __packed;
542
543 /* BA - ADDBA response */
544 struct ieee80211_action_ba_addbaresponse {
545 struct ieee80211_action rs_header;
546 uint8_t rs_dialogtoken;
547 uint16_t rs_statuscode;
548 uint16_t rs_baparamset;
549 uint16_t rs_batimeout; /* in TUs */
550 } __packed;
551
552 /* BA - DELBA */
553 struct ieee80211_action_ba_delba {
554 struct ieee80211_action dl_header;
555 uint16_t dl_baparamset;
556 uint16_t dl_reasoncode;
557 } __packed;
558
559 /* BAR Control */
560 #define IEEE80211_BAR_TID 0xf000 /* TID */
561 #define IEEE80211_BAR_TID_S 12
562 #define IEEE80211_BAR_COMP 0x0004 /* Compressed Bitmap */
563 #define IEEE80211_BAR_MTID 0x0002 /* Multi-TID */
564 #define IEEE80211_BAR_NOACK 0x0001 /* No-Ack policy */
565
566 /* BAR Starting Sequence Control */
567 #define IEEE80211_BAR_SEQ_START 0xfff0 /* starting seqnum */
568 #define IEEE80211_BAR_SEQ_START_S 4
569
570 struct ieee80211_ba_request {
571 uint16_t rq_barctl;
572 uint16_t rq_barseqctl;
573 } __packed;
574
575 /*
576 * Control frames.
577 */
578 struct ieee80211_frame_min {
579 uint8_t i_fc[2];
580 uint8_t i_dur[2];
581 uint8_t i_addr1[IEEE80211_ADDR_LEN];
582 uint8_t i_addr2[IEEE80211_ADDR_LEN];
583 /* FCS */
584 } __packed;
585
586 struct ieee80211_frame_rts {
587 uint8_t i_fc[2];
588 uint8_t i_dur[2];
589 uint8_t i_ra[IEEE80211_ADDR_LEN];
590 uint8_t i_ta[IEEE80211_ADDR_LEN];
591 /* FCS */
592 } __packed;
593
594 struct ieee80211_frame_cts {
595 uint8_t i_fc[2];
596 uint8_t i_dur[2];
597 uint8_t i_ra[IEEE80211_ADDR_LEN];
598 /* FCS */
599 } __packed;
600
601 struct ieee80211_frame_ack {
602 uint8_t i_fc[2];
603 uint8_t i_dur[2];
604 uint8_t i_ra[IEEE80211_ADDR_LEN];
605 /* FCS */
606 } __packed;
607
608 struct ieee80211_frame_pspoll {
609 uint8_t i_fc[2];
610 uint8_t i_aid[2];
611 uint8_t i_bssid[IEEE80211_ADDR_LEN];
612 uint8_t i_ta[IEEE80211_ADDR_LEN];
613 /* FCS */
614 } __packed;
615
616 struct ieee80211_frame_cfend { /* NB: also CF-End+CF-Ack */
617 uint8_t i_fc[2];
618 uint8_t i_dur[2]; /* should be zero */
619 uint8_t i_ra[IEEE80211_ADDR_LEN];
620 uint8_t i_bssid[IEEE80211_ADDR_LEN];
621 /* FCS */
622 } __packed;
623
624 struct ieee80211_frame_bar {
625 uint8_t i_fc[2];
626 uint8_t i_dur[2];
627 uint8_t i_ra[IEEE80211_ADDR_LEN];
628 uint8_t i_ta[IEEE80211_ADDR_LEN];
629 uint16_t i_ctl;
630 uint16_t i_seq;
631 /* FCS */
632 } __packed;
633
634 /*
635 * BEACON management packets
636 *
637 * octet timestamp[8]
638 * octet beacon interval[2]
639 * octet capability information[2]
640 * information element
641 * octet elemid
642 * octet length
643 * octet information[length]
644 */
645
646 #define IEEE80211_BEACON_INTERVAL(beacon) \
647 ((beacon)[8] | ((beacon)[9] << 8))
648 #define IEEE80211_BEACON_CAPABILITY(beacon) \
649 ((beacon)[10] | ((beacon)[11] << 8))
650
651 #define IEEE80211_CAPINFO_ESS 0x0001
652 #define IEEE80211_CAPINFO_IBSS 0x0002
653 #define IEEE80211_CAPINFO_CF_POLLABLE 0x0004
654 #define IEEE80211_CAPINFO_CF_POLLREQ 0x0008
655 #define IEEE80211_CAPINFO_PRIVACY 0x0010
656 #define IEEE80211_CAPINFO_SHORT_PREAMBLE 0x0020
657 #define IEEE80211_CAPINFO_PBCC 0x0040
658 #define IEEE80211_CAPINFO_CHNL_AGILITY 0x0080
659 #define IEEE80211_CAPINFO_SPECTRUM_MGMT 0x0100
660 /* bit 9 is reserved */
661 #define IEEE80211_CAPINFO_SHORT_SLOTTIME 0x0400
662 #define IEEE80211_CAPINFO_RSN 0x0800
663 /* bit 12 is reserved */
664 #define IEEE80211_CAPINFO_DSSSOFDM 0x2000
665 /* bits 14-15 are reserved */
666
667 #define IEEE80211_CAPINFO_BITS \
668 "\2\1ESS\2IBSS\3CF_POLLABLE\4CF_POLLREQ\5PRIVACY\6SHORT_PREAMBLE" \
669 "\7PBCC\10CHNL_AGILITY\11SPECTRUM_MGMT\13SHORT_SLOTTIME\14RSN" \
670 "\16DSSOFDM"
671
672 /*
673 * 802.11i/WPA information element (maximally sized).
674 */
675 struct ieee80211_ie_wpa {
676 uint8_t wpa_id; /* IEEE80211_ELEMID_VENDOR */
677 uint8_t wpa_len; /* length in bytes */
678 uint8_t wpa_oui[3]; /* 0x00, 0x50, 0xf2 */
679 uint8_t wpa_type; /* OUI type */
680 uint16_t wpa_version; /* spec revision */
681 uint32_t wpa_mcipher[1]; /* multicast/group key cipher */
682 uint16_t wpa_uciphercnt; /* # pairwise key ciphers */
683 uint32_t wpa_uciphers[8];/* ciphers */
684 uint16_t wpa_authselcnt; /* authentication selector cnt*/
685 uint32_t wpa_authsels[8];/* selectors */
686 uint16_t wpa_caps; /* 802.11i capabilities */
687 uint16_t wpa_pmkidcnt; /* 802.11i pmkid count */
688 uint16_t wpa_pmkids[8]; /* 802.11i pmkids */
689 } __packed;
690
691 /*
692 * 802.11n HT Capability IE
693 * NB: these reflect D1.10
694 */
695 struct ieee80211_ie_htcap {
696 uint8_t hc_id; /* element ID */
697 uint8_t hc_len; /* length in bytes */
698 uint16_t hc_cap; /* HT caps (see below) */
699 uint8_t hc_param; /* HT params (see below) */
700 uint8_t hc_mcsset[16]; /* supported MCS set */
701 uint16_t hc_extcap; /* extended HT capabilities */
702 uint32_t hc_txbf; /* txbf capabilities */
703 uint8_t hc_antenna; /* antenna capabilities */
704 } __packed;
705
706 /* HT capability flags (ht_cap) */
707 #define IEEE80211_HTCAP_LDPC 0x0001 /* LDPC rx supported */
708 #define IEEE80211_HTCAP_CHWIDTH40 0x0002 /* 20/40 supported */
709 #define IEEE80211_HTCAP_SMPS 0x000c /* SM Power Save mode */
710 #define IEEE80211_HTCAP_SMPS_OFF 0x000c /* disabled */
711 #define IEEE80211_HTCAP_SMPS_DYNAMIC 0x0004 /* send RTS first */
712 /* NB: SMPS value 2 is reserved */
713 #define IEEE80211_HTCAP_SMPS_ENA 0x0000 /* enabled (static mode) */
714 #define IEEE80211_HTCAP_GREENFIELD 0x0010 /* Greenfield supported */
715 #define IEEE80211_HTCAP_SHORTGI20 0x0020 /* Short GI in 20MHz */
716 #define IEEE80211_HTCAP_SHORTGI40 0x0040 /* Short GI in 40MHz */
717 #define IEEE80211_HTCAP_TXSTBC 0x0080 /* STBC tx ok */
718 #define IEEE80211_HTCAP_RXSTBC 0x0300 /* STBC rx support */
719 #define IEEE80211_HTCAP_RXSTBC_S 8
720 #define IEEE80211_HTCAP_RXSTBC_1STREAM 0x0100 /* 1 spatial stream */
721 #define IEEE80211_HTCAP_RXSTBC_2STREAM 0x0200 /* 1-2 spatial streams*/
722 #define IEEE80211_HTCAP_RXSTBC_3STREAM 0x0300 /* 1-3 spatial streams*/
723 #define IEEE80211_HTCAP_DELBA 0x0400 /* HT DELBA supported */
724 #define IEEE80211_HTCAP_MAXAMSDU 0x0800 /* max A-MSDU length */
725 #define IEEE80211_HTCAP_MAXAMSDU_7935 0x0800 /* 7935 octets */
726 #define IEEE80211_HTCAP_MAXAMSDU_3839 0x0000 /* 3839 octets */
727 #define IEEE80211_HTCAP_DSSSCCK40 0x1000 /* DSSS/CCK in 40MHz */
728 #define IEEE80211_HTCAP_PSMP 0x2000 /* PSMP supported */
729 #define IEEE80211_HTCAP_40INTOLERANT 0x4000 /* 40MHz intolerant */
730 #define IEEE80211_HTCAP_LSIGTXOPPROT 0x8000 /* L-SIG TXOP prot */
731
732 #define IEEE80211_HTCAP_BITS \
733 "\2\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \
734 "\13DELBA\14AMSDU(7935)\15DSSSCCK40\16PSMP\1740INTOLERANT" \
735 "\20LSIGTXOPPROT"
736
737 /* HT parameters (hc_param) */
738 #define IEEE80211_HTCAP_MAXRXAMPDU 0x03 /* max rx A-MPDU factor */
739 #define IEEE80211_HTCAP_MAXRXAMPDU_S 0
740 #define IEEE80211_HTCAP_MAXRXAMPDU_8K 0
741 #define IEEE80211_HTCAP_MAXRXAMPDU_16K 1
742 #define IEEE80211_HTCAP_MAXRXAMPDU_32K 2
743 #define IEEE80211_HTCAP_MAXRXAMPDU_64K 3
744 #define IEEE80211_HTCAP_MPDUDENSITY 0x1c /* min MPDU start spacing */
745 #define IEEE80211_HTCAP_MPDUDENSITY_S 2
746 #define IEEE80211_HTCAP_MPDUDENSITY_NA 0 /* no time restriction */
747 #define IEEE80211_HTCAP_MPDUDENSITY_025 1 /* 1/4 us */
748 #define IEEE80211_HTCAP_MPDUDENSITY_05 2 /* 1/2 us */
749 #define IEEE80211_HTCAP_MPDUDENSITY_1 3 /* 1 us */
750 #define IEEE80211_HTCAP_MPDUDENSITY_2 4 /* 2 us */
751 #define IEEE80211_HTCAP_MPDUDENSITY_4 5 /* 4 us */
752 #define IEEE80211_HTCAP_MPDUDENSITY_8 6 /* 8 us */
753 #define IEEE80211_HTCAP_MPDUDENSITY_16 7 /* 16 us */
754
755 /* HT extended capabilities (hc_extcap) */
756 #define IEEE80211_HTCAP_PCO 0x0001 /* PCO capable */
757 #define IEEE80211_HTCAP_PCOTRANS 0x0006 /* PCO transition time */
758 #define IEEE80211_HTCAP_PCOTRANS_S 1
759 #define IEEE80211_HTCAP_PCOTRANS_04 0x0002 /* 400 us */
760 #define IEEE80211_HTCAP_PCOTRANS_15 0x0004 /* 1.5 ms */
761 #define IEEE80211_HTCAP_PCOTRANS_5 0x0006 /* 5 ms */
762 /* bits 3-7 reserved */
763 #define IEEE80211_HTCAP_MCSFBACK 0x0300 /* MCS feedback */
764 #define IEEE80211_HTCAP_MCSFBACK_S 8
765 #define IEEE80211_HTCAP_MCSFBACK_NONE 0x0000 /* nothing provided */
766 #define IEEE80211_HTCAP_MCSFBACK_UNSOL 0x0200 /* unsolicited feedback */
767 #define IEEE80211_HTCAP_MCSFBACK_MRQ 0x0300 /* " "+respond to MRQ */
768 #define IEEE80211_HTCAP_HTC 0x0400 /* +HTC support */
769 #define IEEE80211_HTCAP_RDR 0x0800 /* reverse direction responder*/
770 /* bits 12-15 reserved */
771
772 /*
773 * 802.11n HT Information IE
774 */
775 struct ieee80211_ie_htinfo {
776 uint8_t hi_id; /* element ID */
777 uint8_t hi_len; /* length in bytes */
778 uint8_t hi_ctrlchannel; /* primary channel */
779 uint8_t hi_byte1; /* ht ie byte 1 */
780 uint8_t hi_byte2; /* ht ie byte 2 */
781 uint8_t hi_byte3; /* ht ie byte 3 */
782 uint16_t hi_byte45; /* ht ie bytes 4+5 */
783 uint8_t hi_basicmcsset[16]; /* basic MCS set */
784 } __packed;
785
786 /* byte1 */
787 #define IEEE80211_HTINFO_2NDCHAN 0x03 /* secondary/ext chan offset */
788 #define IEEE80211_HTINFO_2NDCHAN_S 0
789 #define IEEE80211_HTINFO_2NDCHAN_NONE 0x00 /* no secondary/ext channel */
790 #define IEEE80211_HTINFO_2NDCHAN_ABOVE 0x01 /* above private channel */
791 /* NB: 2 is reserved */
792 #define IEEE80211_HTINFO_2NDCHAN_BELOW 0x03 /* below primary channel */
793 #define IEEE80211_HTINFO_TXWIDTH 0x04 /* tx channel width */
794 #define IEEE80211_HTINFO_TXWIDTH_20 0x00 /* 20MHz width */
795 #define IEEE80211_HTINFO_TXWIDTH_2040 0x04 /* any supported width */
796 #define IEEE80211_HTINFO_RIFSMODE 0x08 /* Reduced IFS (RIFS) use */
797 #define IEEE80211_HTINFO_RIFSMODE_PROH 0x00 /* RIFS use prohibited */
798 #define IEEE80211_HTINFO_RIFSMODE_PERM 0x08 /* RIFS use permitted */
799 #define IEEE80211_HTINFO_PMSPONLY 0x10 /* PSMP required to associate */
800 #define IEEE80211_HTINFO_SIGRAN 0xe0 /* shortest Service Interval */
801 #define IEEE80211_HTINFO_SIGRAN_S 5
802 #define IEEE80211_HTINFO_SIGRAN_5 0x00 /* 5 ms */
803 /* XXX add rest */
804
805 /* bytes 2+3 */
806 #define IEEE80211_HTINFO_OPMODE 0x03 /* operating mode */
807 #define IEEE80211_HTINFO_OPMODE_S 0
808 #define IEEE80211_HTINFO_OPMODE_PURE 0x00 /* no protection */
809 #define IEEE80211_HTINFO_OPMODE_PROTOPT 0x01 /* protection optional */
810 #define IEEE80211_HTINFO_OPMODE_HT20PR 0x02 /* protection for HT20 sta's */
811 #define IEEE80211_HTINFO_OPMODE_MIXED 0x03 /* protection for legacy sta's*/
812 #define IEEE80211_HTINFO_NONGF_PRESENT 0x04 /* non-GF sta's present */
813 #define IEEE80211_HTINFO_TXBL 0x08 /* transmit burst limit */
814 #define IEEE80211_HTINFO_NONHT_PRESENT 0x10 /* non-HT sta's present */
815 /* bits 5-15 reserved */
816
817 /* bytes 4+5 */
818 #define IEEE80211_HTINFO_2NDARYBEACON 0x01
819 #define IEEE80211_HTINFO_LSIGTXOPPROT 0x02
820 #define IEEE80211_HTINFO_PCO_ACTIVE 0x04
821 #define IEEE80211_HTINFO_40MHZPHASE 0x08
822
823 /* byte5 */
824 #define IEEE80211_HTINFO_BASIC_STBCMCS 0x7f
825 #define IEEE80211_HTINFO_BASIC_STBCMCS_S 0
826 #define IEEE80211_HTINFO_DUALPROTECTED 0x80
827
828 /*
829 * 802.11ac definitions - 802.11ac-2013 .
830 */
831
832 /*
833 * Maximum length of A-MPDU that the STA can RX in VHT.
834 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
835 */
836 #define IEEE80211_VHTCAP_MAX_AMPDU_8K 0
837 #define IEEE80211_VHTCAP_MAX_AMPDU_16K 1
838 #define IEEE80211_VHTCAP_MAX_AMPDU_32K 2
839 #define IEEE80211_VHTCAP_MAX_AMPDU_64K 3
840 #define IEEE80211_VHTCAP_MAX_AMPDU_128K 4
841 #define IEEE80211_VHTCAP_MAX_AMPDU_256K 5
842 #define IEEE80211_VHTCAP_MAX_AMPDU_512K 6
843 #define IEEE80211_VHTCAP_MAX_AMPDU_1024K 7
844
845 /*
846 * VHT MCS information.
847 * + rx_highest/tx_highest: optional; maximum long GI VHT PPDU
848 * data rate. 1Mbit/sec units.
849 * + rx_mcs_map/tx_mcs_map: bitmap of per-stream supported MCS;
850 * 2 bits each.
851 */
852
853 /* 802.11ac-2013, 8.4.2.160.3 Supported VHT-MCS and NSS Set field */
854 enum ieee80211_vht_mcs_support {
855 IEEE80211_VHT_MCS_SUPPORT_0_7 = 0, /* MCS0-7 */
856 IEEE80211_VHT_MCS_SUPPORT_0_8 = 1, /* MCS0-8 */
857 IEEE80211_VHT_MCS_SUPPORT_0_9 = 2, /* MCS0-9 */
858 IEEE80211_VHT_MCS_NOT_SUPPORTED = 3 /* not supported */
859 };
860
861 struct ieee80211_vht_mcs_info {
862 uint16_t rx_mcs_map;
863 uint16_t rx_highest;
864 uint16_t tx_mcs_map;
865 uint16_t tx_highest;
866 } __packed;
867
868 /* 802.11ac-2013, 8.4.2.160.1 VHT Capabilities element structure */
869 struct ieee80211_vht_cap {
870 uint32_t vht_cap_info;
871 struct ieee80211_vht_mcs_info supp_mcs;
872 } __packed;
873
874 /* VHT capabilities element: 802.11ac-2013 8.4.2.160 */
875 struct ieee80211_ie_vhtcap {
876 uint8_t ie;
877 uint8_t len;
878 uint32_t vht_cap_info;
879 struct ieee80211_vht_mcs_info supp_mcs;
880 } __packed;
881
882 /* VHT operation mode subfields - 802.11ac-2013 Table 8.183x */
883 #define IEEE80211_VHT_CHANWIDTH_USE_HT 0 /* Use HT IE for chw */
884 #define IEEE80211_VHT_CHANWIDTH_80MHZ 1 /* 80MHz */
885 #define IEEE80211_VHT_CHANWIDTH_160MHZ 2 /* 160MHz */
886 #define IEEE80211_VHT_CHANWIDTH_80P80MHZ 3 /* 80+80MHz */
887
888 /* VHT operation IE - 802.11ac-2013 8.4.2.161 */
889 struct ieee80211_ie_vht_operation {
890 uint8_t ie;
891 uint8_t len;
892 uint8_t chan_width;
893 uint8_t center_freq_seg1_idx;
894 uint8_t center_freq_seg2_idx;
895 uint16_t basic_mcs_set;
896 } __packed;
897
898 /* 802.11ac VHT Capabilities */
899 #define IEEE80211_VHTCAP_MAX_MPDU_LENGTH_3895 0x00000000
900 #define IEEE80211_VHTCAP_MAX_MPDU_LENGTH_7991 0x00000001
901 #define IEEE80211_VHTCAP_MAX_MPDU_LENGTH_11454 0x00000002
902 #define IEEE80211_VHTCAP_MAX_MPDU_MASK 0x00000003
903 #define IEEE80211_VHTCAP_MAX_MPDU_MASK_S 0
904
905 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK 0x0000000C
906 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK_S 2
907 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_NONE 0
908 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160MHZ 1
909 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160_80P80MHZ 2
910 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_RESERVED 3
911
912 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_IS_160MHZ(_vhtcaps) \
913 (_IEEE80211_MASKSHIFT(_vhtcaps, IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK) >= \
914 IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160MHZ)
915 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_IS_160_80P80MHZ(_vhtcaps) \
916 (_IEEE80211_MASKSHIFT(_vhtcaps, IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK) == \
917 IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160_80P80MHZ)
918
919 #define IEEE80211_VHTCAP_RXLDPC 0x00000010
920 #define IEEE80211_VHTCAP_RXLDPC_S 4
921
922 #define IEEE80211_VHTCAP_SHORT_GI_80 0x00000020
923 #define IEEE80211_VHTCAP_SHORT_GI_80_S 5
924
925 #define IEEE80211_VHTCAP_SHORT_GI_160 0x00000040
926 #define IEEE80211_VHTCAP_SHORT_GI_160_S 6
927
928 #define IEEE80211_VHTCAP_TXSTBC 0x00000080
929 #define IEEE80211_VHTCAP_TXSTBC_S 7
930
931 #define IEEE80211_VHTCAP_RXSTBC_1 0x00000100
932 #define IEEE80211_VHTCAP_RXSTBC_2 0x00000200
933 #define IEEE80211_VHTCAP_RXSTBC_3 0x00000300
934 #define IEEE80211_VHTCAP_RXSTBC_4 0x00000400
935 #define IEEE80211_VHTCAP_RXSTBC_MASK 0x00000700
936 #define IEEE80211_VHTCAP_RXSTBC_MASK_S 8
937
938 #define IEEE80211_VHTCAP_SU_BEAMFORMER_CAPABLE 0x00000800
939 #define IEEE80211_VHTCAP_SU_BEAMFORMER_CAPABLE_S 11
940
941 #define IEEE80211_VHTCAP_SU_BEAMFORMEE_CAPABLE 0x00001000
942 #define IEEE80211_VHTCAP_SU_BEAMFORMEE_CAPABLE_S 12
943
944 #define IEEE80211_VHTCAP_BEAMFORMEE_STS_SHIFT 13
945 #define IEEE80211_VHTCAP_BEAMFORMEE_STS_MASK \
946 (7 << IEEE80211_VHTCAP_BEAMFORMEE_STS_SHIFT)
947 #define IEEE80211_VHTCAP_BEAMFORMEE_STS_MASK_S 13
948
949 #define IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_SHIFT 16
950 #define IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_MASK \
951 (7 << IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_SHIFT)
952 #define IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_MASK_S 16
953
954 #define IEEE80211_VHTCAP_MU_BEAMFORMER_CAPABLE 0x00080000
955 #define IEEE80211_VHTCAP_MU_BEAMFORMER_CAPABLE_S 19
956 #define IEEE80211_VHTCAP_MU_BEAMFORMEE_CAPABLE 0x00100000
957 #define IEEE80211_VHTCAP_MU_BEAMFORMEE_CAPABLE_S 20
958 #define IEEE80211_VHTCAP_VHT_TXOP_PS 0x00200000
959 #define IEEE80211_VHTCAP_VHT_TXOP_PS_S 21
960 #define IEEE80211_VHTCAP_HTC_VHT 0x00400000
961 #define IEEE80211_VHTCAP_HTC_VHT_S 22
962
963 #define IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23
964 #define IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \
965 (7 << IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
966 #define IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK_S 23
967
968 #define IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_MASK 0x0c000000
969 #define IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000
970 #define IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000
971 #define IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_MASK_S 26
972
973 #define IEEE80211_VHTCAP_RX_ANTENNA_PATTERN 0x10000000
974 #define IEEE80211_VHTCAP_RX_ANTENNA_PATTERN_S 28
975 #define IEEE80211_VHTCAP_TX_ANTENNA_PATTERN 0x20000000
976 #define IEEE80211_VHTCAP_TX_ANTENNA_PATTERN_S 29
977
978 /*
979 * XXX TODO: add the rest of the bits
980 */
981 #define IEEE80211_VHTCAP_BITS \
982 "\2\1MPDU7991\2MPDU11454\3CHAN160\4CHAN8080\5RXLDPC\6SHORTGI80" \
983 "\7SHORTGI160\10RXSTBC1\11RXSTBC2\12RXSTBC3\13RXSTBC4\14BFERCAP" \
984 "\15BFEECAP\27VHT\37RXANTPTN\40TXANTPTN"
985
986 /*
987 * VHT Transmit Power Envelope element - 802.11ac-2013 8.4.2.164
988 *
989 * This defines the maximum transmit power for various bandwidths.
990 */
991 /*
992 * Count is how many elements follow and what they're for:
993 *
994 * 0 - 20 MHz
995 * 1 - 20+40 MHz
996 * 2 - 20+40+80 MHz
997 * 3 - 20+40+80+(160, 80+80) MHz
998 */
999 #define IEEE80211_VHT_TXPWRENV_INFO_COUNT_SHIFT 0
1000 #define IEEE80211_VHT_TXPWRENV_INFO_COUNT_MASK 0x07
1001
1002 /*
1003 * Unit is the tx power representation. It should be EIRP for now;
1004 * other values are reserved.
1005 */
1006 #define IEEE80211_VHT_TXPWRENV_UNIT_MASK 0x38
1007 #define IEEE80211_VHT_TXPWRENV_UNIT_SHIFT 3
1008
1009 /* This value is within the unit mask/shift above */
1010 #define IEEE80211_VHT_TXPWRENV_UNIT_EIRP 0
1011
1012 struct ieee80211_ie_vht_txpwrenv {
1013 uint8_t ie;
1014 uint8_t len;
1015 uint8_t tx_info;
1016 int8_t tx_elem[0]; /* TX power elements, 1/2 dB, signed */
1017 };
1018
1019 /* VHT action codes */
1020 #define WLAN_ACTION_VHT_COMPRESSED_BF 0
1021 #define WLAN_ACTION_VHT_GROUPID_MGMT 1
1022 #define WLAN_ACTION_VHT_OPMODE_NOTIF 2
1023
1024 /*
1025 * Management information element payloads.
1026 */
1027
1028 enum {
1029 IEEE80211_ELEMID_SSID = 0,
1030 IEEE80211_ELEMID_RATES = 1,
1031 IEEE80211_ELEMID_FHPARMS = 2,
1032 IEEE80211_ELEMID_DSPARMS = 3,
1033 IEEE80211_ELEMID_CFPARMS = 4,
1034 IEEE80211_ELEMID_TIM = 5,
1035 IEEE80211_ELEMID_IBSSPARMS = 6,
1036 IEEE80211_ELEMID_COUNTRY = 7,
1037 IEEE80211_ELEMID_BSSLOAD = 11,
1038 IEEE80211_ELEMID_TSPEC = 13,
1039 IEEE80211_ELEMID_TCLAS = 14,
1040 IEEE80211_ELEMID_CHALLENGE = 16,
1041 /* 17-31 reserved for challenge text extension */
1042 IEEE80211_ELEMID_PWRCNSTR = 32,
1043 IEEE80211_ELEMID_PWRCAP = 33,
1044 IEEE80211_ELEMID_TPCREQ = 34,
1045 IEEE80211_ELEMID_TPCREP = 35,
1046 IEEE80211_ELEMID_SUPPCHAN = 36,
1047 IEEE80211_ELEMID_CSA = 37,
1048 IEEE80211_ELEMID_MEASREQ = 38,
1049 IEEE80211_ELEMID_MEASREP = 39,
1050 IEEE80211_ELEMID_QUIET = 40,
1051 IEEE80211_ELEMID_IBSSDFS = 41,
1052 IEEE80211_ELEMID_ERP = 42,
1053 IEEE80211_ELEMID_HTCAP = 45,
1054 IEEE80211_ELEMID_QOS = 46,
1055 IEEE80211_ELEMID_RESERVED_47 = 47,
1056 IEEE80211_ELEMID_RSN = 48,
1057 IEEE80211_ELEMID_XRATES = 50,
1058 IEEE80211_ELEMID_APCHANREP = 51,
1059 IEEE80211_ELEMID_MOBILITY_DOMAIN = 54,
1060 IEEE80211_ELEMID_HTINFO = 61,
1061 IEEE80211_ELEMID_SECCHAN_OFFSET = 62,
1062 IEEE80211_ELEMID_RRM_ENACAPS = 70,
1063 IEEE80211_ELEMID_MULTIBSSID = 71,
1064 IEEE80211_ELEMID_COEX_2040 = 72,
1065 IEEE80211_ELEMID_INTOL_CHN_REPORT = 73,
1066 IEEE80211_ELEMID_OVERLAP_BSS_SCAN_PARAM = 74,
1067 IEEE80211_ELEMID_TSF_REQ = 91,
1068 IEEE80211_ELEMID_TSF_RESP = 92,
1069 IEEE80211_ELEMID_WNM_SLEEP_MODE = 93,
1070 IEEE80211_ELEMID_TIM_BCAST_REQ = 94,
1071 IEEE80211_ELEMID_TIM_BCAST_RESP = 95,
1072 IEEE80211_ELEMID_TPC = 150,
1073 IEEE80211_ELEMID_CCKM = 156,
1074 IEEE80211_ELEMID_VENDOR = 221, /* vendor private */
1075
1076 /*
1077 * 802.11s IEs
1078 * NB: On vanilla Linux still IEEE80211_ELEMID_MESHPEER = 55,
1079 * but they defined a new with id 117 called PEER_MGMT.
1080 * NB: complies with open80211
1081 */
1082 IEEE80211_ELEMID_MESHCONF = 113,
1083 IEEE80211_ELEMID_MESHID = 114,
1084 IEEE80211_ELEMID_MESHLINK = 115,
1085 IEEE80211_ELEMID_MESHCNGST = 116,
1086 IEEE80211_ELEMID_MESHPEER = 117,
1087 IEEE80211_ELEMID_MESHCSA = 118,
1088 IEEE80211_ELEMID_MESHTIM = 39, /* XXX: remove */
1089 IEEE80211_ELEMID_MESHAWAKEW = 119,
1090 IEEE80211_ELEMID_MESHBEACONT = 120,
1091 /* 121-124 MMCAOP not implemented yet */
1092 IEEE80211_ELEMID_MESHGANN = 125,
1093 IEEE80211_ELEMID_MESHRANN = 126,
1094 /* 127 Extended Capabilities */
1095 IEEE80211_ELEMID_EXTCAP = 127,
1096 /* 128-129 reserved */
1097 IEEE80211_ELEMID_MESHPREQ = 130,
1098 IEEE80211_ELEMID_MESHPREP = 131,
1099 IEEE80211_ELEMID_MESHPERR = 132,
1100 /* 133-136 reserved */
1101 IEEE80211_ELEMID_MESHPXU = 137,
1102 IEEE80211_ELEMID_MESHPXUC = 138,
1103 IEEE80211_ELEMID_MESHAH = 60, /* XXX: remove */
1104
1105 /* 802.11ac-2013, Table 8-54-Element IDs */
1106 IEEE80211_ELEMID_VHT_CAP = 191,
1107 IEEE80211_ELEMID_VHT_OPMODE = 192,
1108 IEEE80211_ELEMID_EXTENDED_BSS_LOAD = 193,
1109 IEEE80211_ELEMID_WIDE_BW_CHANNEL_SWITCH = 194,
1110 IEEE80211_ELEMID_VHT_PWR_ENV = 195,
1111 IEEE80211_ELEMID_CHANNEL_SWITCH_WRAPPER = 196,
1112 IEEE80211_ELEMID_AID = 197,
1113 IEEE80211_ELEMID_QUIET_CHANNEL = 198,
1114 IEEE80211_ELEMID_OPMODE_NOTIF = 199,
1115 };
1116
1117 struct ieee80211_tim_ie {
1118 uint8_t tim_ie; /* IEEE80211_ELEMID_TIM */
1119 uint8_t tim_len;
1120 uint8_t tim_count; /* DTIM count */
1121 uint8_t tim_period; /* DTIM period */
1122 uint8_t tim_bitctl; /* bitmap control */
1123 uint8_t tim_bitmap[1]; /* variable-length bitmap */
1124 } __packed;
1125
1126 struct ieee80211_country_ie {
1127 uint8_t ie; /* IEEE80211_ELEMID_COUNTRY */
1128 uint8_t len;
1129 uint8_t cc[3]; /* ISO CC+(I)ndoor/(O)utdoor */
1130 struct {
1131 uint8_t schan; /* starting channel */
1132 uint8_t nchan; /* number channels */
1133 uint8_t maxtxpwr; /* tx power cap */
1134 } __packed band[1]; /* sub bands (NB: var size) */
1135 } __packed;
1136
1137 #define IEEE80211_COUNTRY_MAX_BANDS 84 /* max possible bands */
1138 #define IEEE80211_COUNTRY_MAX_SIZE \
1139 (sizeof(struct ieee80211_country_ie) + 3*(IEEE80211_COUNTRY_MAX_BANDS-1))
1140
1141 struct ieee80211_bss_load_ie {
1142 uint8_t ie;
1143 uint8_t len;
1144 uint16_t sta_count; /* station count */
1145 uint8_t chan_load; /* channel utilization */
1146 uint8_t aac; /* available admission capacity */
1147 } __packed;
1148
1149 struct ieee80211_ap_chan_report_ie {
1150 uint8_t ie;
1151 uint8_t len;
1152 uint8_t i_class; /* operating class */
1153 /* Annex E, E.1 Country information and operating classes */
1154 uint8_t chan_list[0];
1155 } __packed;
1156
1157 #define IEEE80211_EXTCAP_CMS (1ULL << 0) /* 20/40 BSS coexistence management support */
1158 #define IEEE80211_EXTCAP_RSVD_1 (1ULL << 1)
1159 #define IEEE80211_EXTCAP_ECS (1ULL << 2) /* extended channel switching */
1160 #define IEEE80211_EXTCAP_RSVD_3 (1ULL << 3)
1161 #define IEEE80211_EXTCAP_PSMP_CAP (1ULL << 4) /* PSMP capability */
1162 #define IEEE80211_EXTCAP_RSVD_5 (1ULL << 5)
1163 #define IEEE80211_EXTCAP_S_PSMP_SUPP (1ULL << 6)
1164 #define IEEE80211_EXTCAP_EVENT (1ULL << 7)
1165 #define IEEE80211_EXTCAP_DIAGNOSTICS (1ULL << 8)
1166 #define IEEE80211_EXTCAP_MCAST_DIAG (1ULL << 9)
1167 #define IEEE80211_EXTCAP_LOC_TRACKING (1ULL << 10)
1168 #define IEEE80211_EXTCAP_FMS (1ULL << 11)
1169 #define IEEE80211_EXTCAP_PROXY_ARP (1ULL << 12)
1170 #define IEEE80211_EXTCAP_CIR (1ULL << 13) /* collocated interference reporting */
1171 #define IEEE80211_EXTCAP_CIVIC_LOC (1ULL << 14)
1172 #define IEEE80211_EXTCAP_GEOSPATIAL_LOC (1ULL << 15)
1173 #define IEEE80211_EXTCAP_TFS (1ULL << 16)
1174 #define IEEE80211_EXTCAP_WNM_SLEEPMODE (1ULL << 17)
1175 #define IEEE80211_EXTCAP_TIM_BROADCAST (1ULL << 18)
1176 #define IEEE80211_EXTCAP_BSS_TRANSITION (1ULL << 19)
1177 #define IEEE80211_EXTCAP_QOS_TRAF_CAP (1ULL << 20)
1178 #define IEEE80211_EXTCAP_AC_STA_COUNT (1ULL << 21)
1179 #define IEEE80211_EXTCAP_M_BSSID (1ULL << 22) /* multiple BSSID field */
1180 #define IEEE80211_EXTCAP_TIMING_MEAS (1ULL << 23)
1181 #define IEEE80211_EXTCAP_CHAN_USAGE (1ULL << 24)
1182 #define IEEE80211_EXTCAP_SSID_LIST (1ULL << 25)
1183 #define IEEE80211_EXTCAP_DMS (1ULL << 26)
1184 #define IEEE80211_EXTCAP_UTC_TSF_OFFSET (1ULL << 27)
1185 #define IEEE80211_EXTCAP_TLDS_BUF_STA_SUPP (1ULL << 28) /* TDLS peer U-APSP buffer STA support */
1186 #define IEEE80211_EXTCAP_TLDS_PPSM_SUPP (1ULL << 29) /* TDLS peer PSM support */
1187 #define IEEE80211_EXTCAP_TLDS_CH_SW (1ULL << 30) /* TDLS channel switching */
1188 #define IEEE80211_EXTCAP_INTERWORKING (1ULL << 31)
1189 #define IEEE80211_EXTCAP_QOSMAP (1ULL << 32)
1190 #define IEEE80211_EXTCAP_EBR (1ULL << 33)
1191 #define IEEE80211_EXTCAP_SSPN_IF (1ULL << 34)
1192 #define IEEE80211_EXTCAP_RSVD_35 (1ULL << 35)
1193 #define IEEE80211_EXTCAP_MSGCF_CAP (1ULL << 36)
1194 #define IEEE80211_EXTCAP_TLDS_SUPP (1ULL << 37)
1195 #define IEEE80211_EXTCAP_TLDS_PROHIB (1ULL << 38)
1196 #define IEEE80211_EXTCAP_TLDS_CH_SW_PROHIB (1ULL << 39) /* TDLS channel switching prohibited */
1197 #define IEEE80211_EXTCAP_RUF (1ULL << 40) /* reject unadmitted frame */
1198 /* service interval granularity */
1199 #define IEEE80211_EXTCAP_SIG \
1200 ((1ULL << 41) | (1ULL << 42) | (1ULL << 43))
1201 #define IEEE80211_EXTCAP_ID_LOC (1ULL << 44)
1202 #define IEEE80211_EXTCAP_U_APSD_COEX (1ULL << 45)
1203 #define IEEE80211_EXTCAP_WNM_NOTIFICATION (1ULL << 46)
1204 #define IEEE80211_EXTCAP_RSVD_47 (1ULL << 47)
1205 #define IEEE80211_EXTCAP_SSID (1ULL << 48) /* UTF-8 SSID */
1206 /* bits 49-n are reserved */
1207
1208 struct ieee80211_extcap_ie {
1209 uint8_t ie;
1210 uint8_t len;
1211 } __packed;
1212
1213 /*
1214 * 802.11h Quiet Time Element.
1215 */
1216 struct ieee80211_quiet_ie {
1217 uint8_t quiet_ie; /* IEEE80211_ELEMID_QUIET */
1218 uint8_t len;
1219 uint8_t tbttcount; /* quiet start */
1220 uint8_t period; /* beacon intervals between quiets */
1221 uint16_t duration; /* TUs of each quiet*/
1222 uint16_t offset; /* TUs of from TBTT of quiet start */
1223 } __packed;
1224
1225 /*
1226 * 802.11h Channel Switch Announcement (CSA).
1227 */
1228 struct ieee80211_csa_ie {
1229 uint8_t csa_ie; /* IEEE80211_ELEMID_CHANSWITCHANN */
1230 uint8_t csa_len;
1231 uint8_t csa_mode; /* Channel Switch Mode */
1232 uint8_t csa_newchan; /* New Channel Number */
1233 uint8_t csa_count; /* Channel Switch Count */
1234 } __packed;
1235
1236 /*
1237 * Note the min acceptable CSA count is used to guard against
1238 * malicious CSA injection in station mode. Defining this value
1239 * as other than 0 violates the 11h spec.
1240 */
1241 #define IEEE80211_CSA_COUNT_MIN 2
1242 #define IEEE80211_CSA_COUNT_MAX 255
1243
1244 /* rate set entries are in .5 Mb/s units, and potentially marked as basic */
1245 #define IEEE80211_RATE_BASIC 0x80
1246 #define IEEE80211_RATE_VAL 0x7f
1247 #define IEEE80211_RV(v) ((v) & IEEE80211_RATE_VAL)
1248
1249 /* ERP information element flags */
1250 #define IEEE80211_ERP_NON_ERP_PRESENT 0x01
1251 #define IEEE80211_ERP_USE_PROTECTION 0x02
1252 #define IEEE80211_ERP_LONG_PREAMBLE 0x04
1253
1254 #define IEEE80211_ERP_BITS \
1255 "\2\1NON_ERP_PRESENT\2USE_PROTECTION\3LONG_PREAMBLE"
1256
1257 #define ATH_OUI 0x7f0300 /* Atheros OUI */
1258 #define ATH_OUI_TYPE 0x01 /* Atheros protocol ie */
1259
1260 /* NB: Atheros allocated the OUI for this purpose ~2005 but beware ... */
1261 #define TDMA_OUI ATH_OUI
1262 #define TDMA_OUI_TYPE 0x02 /* TDMA protocol ie */
1263
1264 #define BCM_OUI 0x4c9000 /* Broadcom OUI */
1265 #define BCM_OUI_HTCAP 51 /* pre-draft HTCAP ie */
1266 #define BCM_OUI_HTINFO 52 /* pre-draft HTINFO ie */
1267
1268 #define WPA_OUI 0xf25000
1269 #define WPA_OUI_TYPE 0x01
1270 #define WPA_VERSION 1 /* current supported version */
1271
1272 #define WPA_CSE_NULL 0x00
1273 #define WPA_CSE_WEP40 0x01
1274 #define WPA_CSE_TKIP 0x02
1275 #define WPA_CSE_CCMP 0x04
1276 #define WPA_CSE_WEP104 0x05
1277
1278 #define WPA_ASE_NONE 0x00
1279 #define WPA_ASE_8021X_UNSPEC 0x01
1280 #define WPA_ASE_8021X_PSK 0x02
1281
1282 #define WPS_OUI_TYPE 0x04
1283
1284 #define RSN_OUI 0xac0f00
1285 #define RSN_VERSION 1 /* current supported version */
1286
1287 #define RSN_CSE_NULL 0x00
1288 #define RSN_CSE_WEP40 0x01
1289 #define RSN_CSE_TKIP 0x02
1290 #define RSN_CSE_WRAP 0x03
1291 #define RSN_CSE_CCMP 0x04
1292 #define RSN_CSE_WEP104 0x05
1293
1294 #define RSN_ASE_NONE 0x00
1295 #define RSN_ASE_8021X_UNSPEC 0x01
1296 #define RSN_ASE_8021X_PSK 0x02
1297
1298 #define RSN_CAP_PREAUTH 0x01
1299
1300 #define WME_OUI 0xf25000
1301 #define WME_OUI_TYPE 0x02
1302 #define WME_INFO_OUI_SUBTYPE 0x00
1303 #define WME_PARAM_OUI_SUBTYPE 0x01
1304 #define WME_VERSION 1
1305
1306 /* WME stream classes */
1307 #define WME_AC_BE 0 /* best effort */
1308 #define WME_AC_BK 1 /* background */
1309 #define WME_AC_VI 2 /* video */
1310 #define WME_AC_VO 3 /* voice */
1311
1312 /*
1313 * AUTH management packets
1314 *
1315 * octet algo[2]
1316 * octet seq[2]
1317 * octet status[2]
1318 * octet chal.id
1319 * octet chal.length
1320 * octet chal.text[253] NB: 1-253 bytes
1321 */
1322
1323 /* challenge length for shared key auth */
1324 #define IEEE80211_CHALLENGE_LEN 128
1325
1326 #define IEEE80211_AUTH_ALG_OPEN 0x0000
1327 #define IEEE80211_AUTH_ALG_SHARED 0x0001
1328 #define IEEE80211_AUTH_ALG_LEAP 0x0080
1329
1330 enum {
1331 IEEE80211_AUTH_OPEN_REQUEST = 1,
1332 IEEE80211_AUTH_OPEN_RESPONSE = 2,
1333 };
1334
1335 enum {
1336 IEEE80211_AUTH_SHARED_REQUEST = 1,
1337 IEEE80211_AUTH_SHARED_CHALLENGE = 2,
1338 IEEE80211_AUTH_SHARED_RESPONSE = 3,
1339 IEEE80211_AUTH_SHARED_PASS = 4,
1340 };
1341
1342 /*
1343 * Reason and status codes.
1344 *
1345 * Reason codes are used in management frames to indicate why an
1346 * action took place (e.g. on disassociation). Status codes are
1347 * used in management frames to indicate the result of an operation.
1348 *
1349 * Unlisted codes are reserved
1350 */
1351
1352 enum {
1353 IEEE80211_REASON_UNSPECIFIED = 1,
1354 IEEE80211_REASON_AUTH_EXPIRE = 2,
1355 IEEE80211_REASON_AUTH_LEAVE = 3,
1356 IEEE80211_REASON_ASSOC_EXPIRE = 4,
1357 IEEE80211_REASON_ASSOC_TOOMANY = 5,
1358 IEEE80211_REASON_NOT_AUTHED = 6,
1359 IEEE80211_REASON_NOT_ASSOCED = 7,
1360 IEEE80211_REASON_ASSOC_LEAVE = 8,
1361 IEEE80211_REASON_ASSOC_NOT_AUTHED = 9,
1362 IEEE80211_REASON_DISASSOC_PWRCAP_BAD = 10, /* 11h */
1363 IEEE80211_REASON_DISASSOC_SUPCHAN_BAD = 11, /* 11h */
1364 IEEE80211_REASON_IE_INVALID = 13, /* 11i */
1365 IEEE80211_REASON_MIC_FAILURE = 14, /* 11i */
1366 IEEE80211_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, /* 11i */
1367 IEEE80211_REASON_GROUP_KEY_UPDATE_TIMEOUT = 16, /* 11i */
1368 IEEE80211_REASON_IE_IN_4WAY_DIFFERS = 17, /* 11i */
1369 IEEE80211_REASON_GROUP_CIPHER_INVALID = 18, /* 11i */
1370 IEEE80211_REASON_PAIRWISE_CIPHER_INVALID= 19, /* 11i */
1371 IEEE80211_REASON_AKMP_INVALID = 20, /* 11i */
1372 IEEE80211_REASON_UNSUPP_RSN_IE_VERSION = 21, /* 11i */
1373 IEEE80211_REASON_INVALID_RSN_IE_CAP = 22, /* 11i */
1374 IEEE80211_REASON_802_1X_AUTH_FAILED = 23, /* 11i */
1375 IEEE80211_REASON_CIPHER_SUITE_REJECTED = 24, /* 11i */
1376 IEEE80211_REASON_UNSPECIFIED_QOS = 32, /* 11e */
1377 IEEE80211_REASON_INSUFFICIENT_BW = 33, /* 11e */
1378 IEEE80211_REASON_TOOMANY_FRAMES = 34, /* 11e */
1379 IEEE80211_REASON_OUTSIDE_TXOP = 35, /* 11e */
1380 IEEE80211_REASON_LEAVING_QBSS = 36, /* 11e */
1381 IEEE80211_REASON_BAD_MECHANISM = 37, /* 11e */
1382 IEEE80211_REASON_SETUP_NEEDED = 38, /* 11e */
1383 IEEE80211_REASON_TIMEOUT = 39, /* 11e */
1384
1385 IEEE80211_REASON_PEER_LINK_CANCELED = 52, /* 11s */
1386 IEEE80211_REASON_MESH_MAX_PEERS = 53, /* 11s */
1387 IEEE80211_REASON_MESH_CPVIOLATION = 54, /* 11s */
1388 IEEE80211_REASON_MESH_CLOSE_RCVD = 55, /* 11s */
1389 IEEE80211_REASON_MESH_MAX_RETRIES = 56, /* 11s */
1390 IEEE80211_REASON_MESH_CONFIRM_TIMEOUT = 57, /* 11s */
1391 IEEE80211_REASON_MESH_INVALID_GTK = 58, /* 11s */
1392 IEEE80211_REASON_MESH_INCONS_PARAMS = 59, /* 11s */
1393 IEEE80211_REASON_MESH_INVALID_SECURITY = 60, /* 11s */
1394 IEEE80211_REASON_MESH_PERR_NO_PROXY = 61, /* 11s */
1395 IEEE80211_REASON_MESH_PERR_NO_FI = 62, /* 11s */
1396 IEEE80211_REASON_MESH_PERR_DEST_UNREACH = 63, /* 11s */
1397 IEEE80211_REASON_MESH_MAC_ALRDY_EXISTS_MBSS = 64, /* 11s */
1398 IEEE80211_REASON_MESH_CHAN_SWITCH_REG = 65, /* 11s */
1399 IEEE80211_REASON_MESH_CHAN_SWITCH_UNSPEC = 66, /* 11s */
1400
1401 IEEE80211_STATUS_SUCCESS = 0,
1402 IEEE80211_STATUS_UNSPECIFIED = 1,
1403 IEEE80211_STATUS_CAPINFO = 10,
1404 IEEE80211_STATUS_NOT_ASSOCED = 11,
1405 IEEE80211_STATUS_OTHER = 12,
1406 IEEE80211_STATUS_ALG = 13,
1407 IEEE80211_STATUS_SEQUENCE = 14,
1408 IEEE80211_STATUS_CHALLENGE = 15,
1409 IEEE80211_STATUS_TIMEOUT = 16,
1410 IEEE80211_STATUS_TOOMANY = 17,
1411 IEEE80211_STATUS_BASIC_RATE = 18,
1412 IEEE80211_STATUS_SP_REQUIRED = 19, /* 11b */
1413 IEEE80211_STATUS_PBCC_REQUIRED = 20, /* 11b */
1414 IEEE80211_STATUS_CA_REQUIRED = 21, /* 11b */
1415 IEEE80211_STATUS_SPECMGMT_REQUIRED = 22, /* 11h */
1416 IEEE80211_STATUS_PWRCAP_REQUIRED = 23, /* 11h */
1417 IEEE80211_STATUS_SUPCHAN_REQUIRED = 24, /* 11h */
1418 IEEE80211_STATUS_SHORTSLOT_REQUIRED = 25, /* 11g */
1419 IEEE80211_STATUS_DSSSOFDM_REQUIRED = 26, /* 11g */
1420 IEEE80211_STATUS_MISSING_HT_CAPS = 27, /* 11n D3.0 */
1421 IEEE80211_STATUS_INVALID_IE = 40, /* 11i */
1422 IEEE80211_STATUS_GROUP_CIPHER_INVALID = 41, /* 11i */
1423 IEEE80211_STATUS_PAIRWISE_CIPHER_INVALID = 42, /* 11i */
1424 IEEE80211_STATUS_AKMP_INVALID = 43, /* 11i */
1425 IEEE80211_STATUS_UNSUPP_RSN_IE_VERSION = 44, /* 11i */
1426 IEEE80211_STATUS_INVALID_RSN_IE_CAP = 45, /* 11i */
1427 IEEE80211_STATUS_CIPHER_SUITE_REJECTED = 46, /* 11i */
1428 };
1429
1430 #define IEEE80211_WEP_KEYLEN 5 /* 40bit */
1431 #define IEEE80211_WEP_IVLEN 3 /* 24bit */
1432 #define IEEE80211_WEP_KIDLEN 1 /* 1 octet */
1433 #define IEEE80211_WEP_CRCLEN 4 /* CRC-32 */
1434 #define IEEE80211_WEP_TOTLEN (IEEE80211_WEP_IVLEN + \
1435 IEEE80211_WEP_KIDLEN + \
1436 IEEE80211_WEP_CRCLEN)
1437 #define IEEE80211_WEP_NKID 4 /* number of key ids */
1438
1439 /*
1440 * 802.11i defines an extended IV for use with non-WEP ciphers.
1441 * When the EXTIV bit is set in the key id byte an additional
1442 * 4 bytes immediately follow the IV for TKIP. For CCMP the
1443 * EXTIV bit is likewise set but the 8 bytes represent the
1444 * CCMP header rather than IV+extended-IV.
1445 */
1446 #define IEEE80211_WEP_EXTIV 0x20
1447 #define IEEE80211_WEP_EXTIVLEN 4 /* extended IV length */
1448 #define IEEE80211_WEP_MICLEN 8 /* trailing MIC */
1449
1450 #define IEEE80211_CRC_LEN 4
1451
1452 /*
1453 * Maximum acceptable MTU is:
1454 * IEEE80211_MAX_LEN - WEP overhead - CRC -
1455 * QoS overhead - RSN/WPA overhead
1456 * Min is arbitrarily chosen > IEEE80211_MIN_LEN. The default
1457 * mtu is Ethernet-compatible; it's set by ether_ifattach.
1458 */
1459 #define IEEE80211_MTU_MAX 2290
1460 #define IEEE80211_MTU_MIN 32
1461
1462 #define IEEE80211_MAX_LEN (2300 + IEEE80211_CRC_LEN + \
1463 (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN))
1464 #define IEEE80211_ACK_LEN \
1465 (sizeof(struct ieee80211_frame_ack) + IEEE80211_CRC_LEN)
1466 #define IEEE80211_MIN_LEN \
1467 (sizeof(struct ieee80211_frame_min) + IEEE80211_CRC_LEN)
1468
1469 /*
1470 * The 802.11 spec says at most 2007 stations may be
1471 * associated at once. For most AP's this is way more
1472 * than is feasible so we use a default of IEEE80211_AID_DEF.
1473 * This number may be overridden by the driver and/or by
1474 * user configuration but may not be less than IEEE80211_AID_MIN
1475 * (see _ieee80211.h for implementation-specific settings).
1476 */
1477 #define IEEE80211_AID_MAX 2007
1478
1479 #define IEEE80211_AID(b) ((b) &~ 0xc000)
1480
1481 /*
1482 * RTS frame length parameters. The default is specified in
1483 * the 802.11 spec as 512; we treat it as implementation-dependent
1484 * so it's defined in ieee80211_var.h. The max may be wrong
1485 * for jumbo frames.
1486 */
1487 #define IEEE80211_RTS_MIN 1
1488 #define IEEE80211_RTS_MAX 2346
1489
1490 /*
1491 * TX fragmentation parameters. As above for RTS, we treat
1492 * default as implementation-dependent so define it elsewhere.
1493 */
1494 #define IEEE80211_FRAG_MIN 256
1495 #define IEEE80211_FRAG_MAX 2346
1496
1497 /*
1498 * Beacon interval (TU's). Min+max come from WiFi requirements.
1499 * As above, we treat default as implementation-dependent so
1500 * define it elsewhere.
1501 */
1502 #define IEEE80211_BINTVAL_MAX 1000 /* max beacon interval (TU's) */
1503 #define IEEE80211_BINTVAL_MIN 25 /* min beacon interval (TU's) */
1504
1505 /*
1506 * DTIM period (beacons). Min+max are not really defined
1507 * by the protocol but we want them publicly visible so
1508 * define them here.
1509 */
1510 #define IEEE80211_DTIM_MAX 15 /* max DTIM period */
1511 #define IEEE80211_DTIM_MIN 1 /* min DTIM period */
1512
1513 /*
1514 * Beacon miss threshold (beacons). As for DTIM, we define
1515 * them here to be publicly visible. Note the max may be
1516 * clamped depending on device capabilities.
1517 */
1518 #define IEEE80211_HWBMISS_MIN 1
1519 #define IEEE80211_HWBMISS_MAX 255
1520
1521 /*
1522 * 802.11 frame duration definitions.
1523 */
1524
1525 struct ieee80211_duration {
1526 uint16_t d_rts_dur;
1527 uint16_t d_data_dur;
1528 uint16_t d_plcp_len;
1529 uint8_t d_residue; /* unused octets in time slot */
1530 };
1531
1532 /* One Time Unit (TU) is 1Kus = 1024 microseconds. */
1533 #define IEEE80211_DUR_TU 1024
1534
1535 /* IEEE 802.11b durations for DSSS PHY in microseconds */
1536 #define IEEE80211_DUR_DS_LONG_PREAMBLE 144
1537 #define IEEE80211_DUR_DS_SHORT_PREAMBLE 72
1538
1539 #define IEEE80211_DUR_DS_SLOW_PLCPHDR 48
1540 #define IEEE80211_DUR_DS_FAST_PLCPHDR 24
1541 #define IEEE80211_DUR_DS_SLOW_ACK 112
1542 #define IEEE80211_DUR_DS_FAST_ACK 56
1543 #define IEEE80211_DUR_DS_SLOW_CTS 112
1544 #define IEEE80211_DUR_DS_FAST_CTS 56
1545
1546 #define IEEE80211_DUR_DS_SLOT 20
1547 #define IEEE80211_DUR_DS_SIFS 10
1548 #define IEEE80211_DUR_DS_PIFS (IEEE80211_DUR_DS_SIFS + IEEE80211_DUR_DS_SLOT)
1549 #define IEEE80211_DUR_DS_DIFS (IEEE80211_DUR_DS_SIFS + \
1550 2 * IEEE80211_DUR_DS_SLOT)
1551 #define IEEE80211_DUR_DS_EIFS (IEEE80211_DUR_DS_SIFS + \
1552 IEEE80211_DUR_DS_SLOW_ACK + \
1553 IEEE80211_DUR_DS_LONG_PREAMBLE + \
1554 IEEE80211_DUR_DS_SLOW_PLCPHDR + \
1555 IEEE80211_DUR_DIFS)
1556
1557 #endif /* _NET80211_IEEE80211_H_ */
Cache object: 0b1e5e95ff5d60dd47affb67f72ecc92
|